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" "Having now retrieved a little more of leasure, both for Delineation and Description, for a further elucidation of what I have said, I shall make it my third Attempt, to explain;
First, A Helioscope to look upon the body of the Sun, without any offence to the Observers eye.
Secondly, A way of shortening reflective and refractive Telescopes.
Thirdly, A way of using a Glass of any length, without moving the Tube.
Fourthly, An Instrument for taking the Diameters of the Sun, Moon and Planets, or for taking any other Distances, to five or ten Degrees, to the certainty of a Second. ...
Fifthly, An Instrument for describing all manner of Dials, by the tangent projection.
Sixthly, The uses thereof;
1. For adjusting the Hand of a Clock, so as to make it move in the shadow of a Dial, whose style is parallel to the Axis: Or,
2. In the Azimuth of any Celestial Body, that is, in the shadow of the upright, or any other way inclining Style, upon any plain.
3. For making a Hand move according to the true æquation of Time.
4. For making all manner of Elliptical Dials, in Mr. Foster's way, &c.
5. For communicating a circular motion in a Curve Line, without any shaking: And for divers other excellent purposes.
Robert Hooke (July 18, 1635 – March 3, 1703) was an English polymath, to include inventor, microscopist, architect, surveyor, professor of geometry, natural philosopher and chemist. He was the first Curator of Experiments for the and is noted for Hooke's law, his contributions to the development of the vacuum pump, the improved accuracy of the portable watch through the invention of the balance spring, for his microscopy, as author and illustrator of Micrographia, being the first to use the term cell, and as Surveyor to the City of London and chief assistant to Christopher Wren, in the reconstruction efforts following the Great Fire of London.
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The Publisher of Transactions in that of October 1675 indeavours to cover former injuries done me by accumulating new ones, and this with so much passion as with integrity to lay by discretion; otherwise he would not have affirmed, that it was as certain that none of my Watches succeeded, as it was that I had made them several years ago: For how could he be sure of a Negative? Whom I have not acquainted with my Inventions, since l looked on him as one that made a trade of Intelligence.
Next whereas he says l made them without publishing them to the world in Print, he prevaricates, and would have it believed that they were not published to the world, though they were publickly read of in Sir John Cutlers Lectures before great numbers at several times, and though they were made and shewn to thousands both English and Foreiners, and writ of to several persons absent, and though they were in the year 1665 in the History of the Royal Society published to the world in Print, because, forsooth, they were not printed in his Transactions.
Thirdly, whereas the Publisher of Transactions makes along story of my seeing his Journal De Scavans, and my desiring to transcribe that part of it which concerned this matter, as if l had requested some singular favour thereby, l answer,
First, that he knew I designed presently to have printed it with Animadversions, but he endeavoured to prevent me, designing first clancularly to get a Patent of it for himself, and thereby to defraud me.
Next, I say, I had a right without his favour to have seen, perused, and copied it, as I was one of the Royal Society, the intelligence he there brings in being the Societies. ...
To his upbraiding me with his having published some things of Mine; I answer, he hath so, but not so much with mine as with his own desire, and if he send me what I think worth publishing, l will do as much for him, and repay him in his own coyn.
Lastly, Whereas he makes use of We and Us ambiguously, it is desired he would explain whether he means the Royal Society, or the Pluralities of himself. If the former, it is not so, as l can prove by many Witnesses; if the later, I neither know what he is acquainted with, or what has been imparted or explained to him.
So not designing to trouble my self any further with him, unless he gives me occasion, I dismiss him with his
— Speque metuque
Procul hinc procul ito.
Some other Course therefore must be taken to promote the Search of Knowledge. Some other kind of Art for Inquiry than what hath been hitherto made use of, must be discovered; the Intellect is not to he suffer'd to act without its Helps, but is continually to be assisted by some Method or Engine, which shall be as a Guide to regulate its Actions, so as that it shall not be able to act amiss: Of this Engine, no Man except the incomparable Verulam hath had any Thoughts, and he indeed hath promoted it to a very good pitch; but there is yet somewhat more to be added, which he seem'd to want time to compleat. By this, as by that Art of Algebra in Geometry, 'twill be very easy to proceed in any Natural Inquiry, regularly and certainly: And indeed it may not improperly be call'd a Philosophical Algebra, or an Art of directing the Mind in the search after Philosophical Truths, for as 'tis very hard for the most acute Wit to find out any difficult Problem in Geometry. without the help of Algebra to direct and regulate the Acts of the Reason in the Process from the question to the quœsitum, and altogether as easy for the meanest Capacity acting by that Method to compleat and perfect it, so will it be in the inquiry after Natural Knowledge.
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By the means of Telescopes, there is nothing so far distant but may be represented to our view; and by the help of Microscopes, there is nothing so small, as to escape our inquiry; hence there is a new visible World discovered to the understanding. By this means the Heavens are open’d, and a vast number of new Stars, and new Motions, and new Productions appear in them, to which all the ancient Astronomers were utterly Strangers.